World
U.S. Deploys 'Glowing' Sterile Flies as Buffer Against Flesh-Eating Screwworm Threat at Mexican Border
Amid a growing outbreak in northern Mexico, U.S. agricultural officials are escalating a biowarfare campaign, releasing millions of sterile, fluorescent flies near the Texas border to create a defensive barrier against the parasitic screwworm, a move impacting already strained livestock trade and beef prices.